third_party/blink/renderer/core/html/forms/html_select_element_test.cc - chromium/src - Git at Google

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "third_party/blink/renderer/core/html/forms/html_select_element.h"

 #include <memory>
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/blink/renderer/core/dom/document.h"
 #include "third_party/blink/renderer/core/frame/local_frame_view.h"
 #include "third_party/blink/renderer/core/html/forms/form_controller.h"
 #include "third_party/blink/renderer/core/html/forms/html_form_element.h"
 #include "third_party/blink/renderer/core/testing/page_test_base.h"

 namespace blink {

 class HTMLSelectElementTest : public PageTestBase {
  protected:
   void SetUp() override;
 };

 void HTMLSelectElementTest::SetUp() {
   PageTestBase::SetUp();
   GetDocument().SetMimeType("text/html");
 }

 TEST_F(HTMLSelectElementTest, SaveRestoreSelectSingleFormControlState) {
   SetHtmlInnerHTML(
       "<!DOCTYPE HTML><select id='sel'>"
       "<option value='111' id='0'>111</option>"
       "<option value='222'>222</option>"
       "<option value='111' selected id='2'>!666</option>"
       "<option value='999'>999</option></select>");
   Element* element = GetElementById("sel");
   HTMLFormControlElementWithState* select = ToHTMLSelectElement(element);
   HTMLOptionElement* opt0 = ToHTMLOptionElement(GetElementById("0"));
   HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));

   // Save the select element state, and then restore again.
   // Test passes if the restored state is not changed.
   EXPECT_EQ(2, ToHTMLSelectElement(element)->selectedIndex());
   EXPECT_FALSE(opt0->Selected());
   EXPECT_TRUE(opt2->Selected());
   FormControlState select_state = select->SaveFormControlState();
   EXPECT_EQ(2U, select_state.ValueSize());

   // Clear the selected state, to be restored by restoreFormControlState.
   ToHTMLSelectElement(select)->setSelectedIndex(-1);
   ASSERT_FALSE(opt2->Selected());

   // Restore
   select->RestoreFormControlState(select_state);
   EXPECT_EQ(2, ToHTMLSelectElement(element)->selectedIndex());
   EXPECT_FALSE(opt0->Selected());
   EXPECT_TRUE(opt2->Selected());
 }

 TEST_F(HTMLSelectElementTest, SaveRestoreSelectMultipleFormControlState) {
   SetHtmlInnerHTML(
       "<!DOCTYPE HTML><select id='sel' multiple>"
       "<option value='111' id='0'>111</option>"
       "<option value='222'>222</option>"
       "<option value='111' selected id='2'>!666</option>"
       "<option value='999' selected id='3'>999</option></select>");
   HTMLFormControlElementWithState* select =
       ToHTMLSelectElement(GetElementById("sel"));

   HTMLOptionElement* opt0 = ToHTMLOptionElement(GetElementById("0"));
   HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));
   HTMLOptionElement* opt3 = ToHTMLOptionElement(GetElementById("3"));

   // Save the select element state, and then restore again.
   // Test passes if the selected options are not changed.
   EXPECT_FALSE(opt0->Selected());
   EXPECT_TRUE(opt2->Selected());
   EXPECT_TRUE(opt3->Selected());
   FormControlState select_state = select->SaveFormControlState();
   EXPECT_EQ(4U, select_state.ValueSize());

   // Clear the selected state, to be restored by restoreFormControlState.
   opt2->SetSelected(false);
   opt3->SetSelected(false);
   ASSERT_FALSE(opt2->Selected());
   ASSERT_FALSE(opt3->Selected());

   // Restore
   select->RestoreFormControlState(select_state);
   EXPECT_FALSE(opt0->Selected());
   EXPECT_TRUE(opt2->Selected());
   EXPECT_TRUE(opt3->Selected());
 }

 TEST_F(HTMLSelectElementTest, RestoreUnmatchedFormControlState) {
   // We had a bug that SelectedOption() and last_on_change_option_ were
   // mismatched in OptionToBeShown(). It happened when
   // RestoreFormControlState() couldn't find matched OPTIONs.
   // crbug.com/627833.

   SetHtmlInnerHTML(R"HTML(
     <select id='sel'>
     <option selected>Default</option>
     <option id='2'>222</option>
     </select>
   )HTML");
   Element* element = GetElementById("sel");
   HTMLFormControlElementWithState* select = ToHTMLSelectElement(element);
   HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));

   ToHTMLSelectElement(element)->setSelectedIndex(1);
   // Save the current state.
   FormControlState select_state = select->SaveFormControlState();
   EXPECT_EQ(2U, select_state.ValueSize());

   // Reset the status.
   select->Reset();
   ASSERT_FALSE(opt2->Selected());
   element->RemoveChild(opt2);

   // Restore
   select->RestoreFormControlState(select_state);
   EXPECT_EQ(-1, ToHTMLSelectElement(element)->selectedIndex());
   EXPECT_EQ(nullptr, ToHTMLSelectElement(element)->OptionToBeShown());
 }

 TEST_F(HTMLSelectElementTest, VisibleBoundsInVisualViewport) {
   SetHtmlInnerHTML(
       "<select style='position:fixed; top:12.3px; height:24px; "
       "-webkit-appearance:none;'><option>o1</select>");
   HTMLSelectElement* select =
       ToHTMLSelectElement(GetDocument().body()->firstChild());
   ASSERT_NE(select, nullptr);
   IntRect bounds = select->VisibleBoundsInVisualViewport();
   EXPECT_EQ(24, bounds.Height());
 }

 TEST_F(HTMLSelectElementTest, PopupIsVisible) {
   SetHtmlInnerHTML("<select><option>o1</option></select>");
   HTMLSelectElement* select =
       ToHTMLSelectElement(GetDocument().body()->firstChild());
   ASSERT_NE(select, nullptr);
   EXPECT_FALSE(select->PopupIsVisible());
   select->ShowPopup();
   EXPECT_TRUE(select->PopupIsVisible());
   GetDocument().Shutdown();
   EXPECT_FALSE(select->PopupIsVisible());
 }

 TEST_F(HTMLSelectElementTest, FirstSelectableOption) {
   {
     SetHtmlInnerHTML("<select></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ(nullptr, select->FirstSelectableOption());
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->FirstSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1 disabled></option><option "
         "id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->FirstSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1 style='display:none'></option><option "
         "id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->FirstSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><optgroup><option id=o1></option><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->FirstSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
 }

 TEST_F(HTMLSelectElementTest, LastSelectableOption) {
   {
     SetHtmlInnerHTML("<select></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ(nullptr, select->LastSelectableOption());
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->LastSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2 "
         "disabled></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->LastSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2 "
         "style='display:none'></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->LastSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><optgroup><option id=o1></option><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->LastSelectableOption()->FastGetAttribute(
                         html_names::kIdAttr));
   }
 }

 TEST_F(HTMLSelectElementTest, NextSelectableOption) {
   {
     SetHtmlInnerHTML("<select></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ(nullptr, select->NextSelectableOption(nullptr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->NextSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1 disabled></option><option "
         "id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->NextSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1 style='display:none'></option><option "
         "id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->NextSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><optgroup><option id=o1></option><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->NextSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o1"));
     EXPECT_EQ("o2", select->NextSelectableOption(option)->FastGetAttribute(
                         html_names::kIdAttr));

     EXPECT_EQ(nullptr, select->NextSelectableOption(
                            ToHTMLOptionElement(GetElementById("o2"))));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><optgroup><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o1"));
     EXPECT_EQ("o2", select->NextSelectableOption(option)->FastGetAttribute(
                         html_names::kIdAttr));
   }
 }

 TEST_F(HTMLSelectElementTest, PreviousSelectableOption) {
   {
     SetHtmlInnerHTML("<select></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ(nullptr, select->PreviousSelectableOption(nullptr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2 "
         "disabled></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2 "
         "style='display:none'></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o1", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><optgroup><option id=o1></option><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     EXPECT_EQ("o2", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
                         html_names::kIdAttr));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><option id=o2></option></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o2"));
     EXPECT_EQ("o1", select->PreviousSelectableOption(option)->FastGetAttribute(
                         html_names::kIdAttr));

     EXPECT_EQ(nullptr, select->PreviousSelectableOption(
                            ToHTMLOptionElement(GetElementById("o1"))));
   }
   {
     SetHtmlInnerHTML(
         "<select><option id=o1></option><optgroup><option "
         "id=o2></option></optgroup></select>");
     HTMLSelectElement* select =
         ToHTMLSelectElement(GetDocument().body()->firstChild());
     HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o2"));
     EXPECT_EQ("o1", select->PreviousSelectableOption(option)->FastGetAttribute(
                         html_names::kIdAttr));
   }
 }

 TEST_F(HTMLSelectElementTest, ActiveSelectionEndAfterOptionRemoval) {
   SetHtmlInnerHTML(
       "<select><optgroup><option selected>o1</option></optgroup></select>");
   HTMLSelectElement* select =
       ToHTMLSelectElement(GetDocument().body()->firstChild());
   HTMLOptionElement* option =
       ToHTMLOptionElement(select->firstChild()->firstChild());
   EXPECT_EQ(1, select->ActiveSelectionEndListIndex());
   select->firstChild()->removeChild(option);
   EXPECT_EQ(-1, select->ActiveSelectionEndListIndex());
   select->AppendChild(option);
   EXPECT_EQ(1, select->ActiveSelectionEndListIndex());
 }

 TEST_F(HTMLSelectElementTest, DefaultToolTip) {
   SetHtmlInnerHTML(
       "<select size=4><option value="
       ">Placeholder</option><optgroup><option>o2</option></optgroup></select>");
   HTMLSelectElement* select =
       ToHTMLSelectElement(GetDocument().body()->firstChild());
   Element* option = ToElement(select->firstChild());
   Element* optgroup = ToElement(option->nextSibling());

   EXPECT_EQ(String(), select->DefaultToolTip())
       << "defaultToolTip for SELECT without FORM and without required "
          "attribute should return null string.";
   EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
   EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

   select->SetBooleanAttribute(html_names::kRequiredAttr, true);
   EXPECT_EQ("<<ValidationValueMissingForSelect>>", select->DefaultToolTip())
       << "defaultToolTip for SELECT without FORM and with required attribute "
          "should return a valueMissing message.";
   EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
   EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

   HTMLFormElement* form = HTMLFormElement::Create(GetDocument());
   GetDocument().body()->AppendChild(form);
   form->AppendChild(select);
   EXPECT_EQ("<<ValidationValueMissingForSelect>>", select->DefaultToolTip())
       << "defaultToolTip for SELECT with FORM and required attribute should "
          "return a valueMissing message.";
   EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
   EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

   form->SetBooleanAttribute(html_names::kNovalidateAttr, true);
   EXPECT_EQ(String(), select->DefaultToolTip())
       << "defaultToolTip for SELECT with FORM[novalidate] and required "
          "attribute should return null string.";
   EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
   EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

   option->remove();
   optgroup->remove();
   EXPECT_EQ(String(), option->DefaultToolTip());
   EXPECT_EQ(String(), optgroup->DefaultToolTip());
 }

 TEST_F(HTMLSelectElementTest, SetRecalcListItemsByOptgroupRemoval) {
   SetHtmlInnerHTML(
       "<select><optgroup><option>sub1</option><option>sub2</option></"
       "optgroup></select>");
   HTMLSelectElement* select =
       ToHTMLSelectElement(GetDocument().body()->firstChild());
   select->SetInnerHTMLFromString("");
   // PASS if setInnerHTML didn't have a check failure.
 }

 TEST_F(HTMLSelectElementTest, ScrollToOptionAfterLayoutCrash) {
   // crbug.com/737447
   // This test passes if no crash.
   SetHtmlInnerHTML(R"HTML(
     <style>*:checked { position:fixed; }</style>
     <select multiple><<option>o1</option><option
     selected>o2</option></select>
   )HTML");
 }

 }  // namespace blink
	// Copyright 2014 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include "third_party/blink/renderer/core/html/forms/html_select_element.h"

	#include <memory>
	#include "testing/gtest/include/gtest/gtest.h"
	#include "third_party/blink/renderer/core/dom/document.h"
	#include "third_party/blink/renderer/core/frame/local_frame_view.h"
	#include "third_party/blink/renderer/core/html/forms/form_controller.h"
	#include "third_party/blink/renderer/core/html/forms/html_form_element.h"
	#include "third_party/blink/renderer/core/testing/page_test_base.h"

	namespace blink {

	class HTMLSelectElementTest : public PageTestBase {
	protected:
	void SetUp() override;
	};

	void HTMLSelectElementTest::SetUp() {
	PageTestBase::SetUp();
	GetDocument().SetMimeType("text/html");
	}

	TEST_F(HTMLSelectElementTest, SaveRestoreSelectSingleFormControlState) {
	SetHtmlInnerHTML(
	"<!DOCTYPE HTML><select id='sel'>"
	"<option value='111' id='0'>111</option>"
	"<option value='222'>222</option>"
	"<option value='111' selected id='2'>!666</option>"
	"<option value='999'>999</option></select>");
	Element* element = GetElementById("sel");
	HTMLFormControlElementWithState* select = ToHTMLSelectElement(element);
	HTMLOptionElement* opt0 = ToHTMLOptionElement(GetElementById("0"));
	HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));

	// Save the select element state, and then restore again.
	// Test passes if the restored state is not changed.
	EXPECT_EQ(2, ToHTMLSelectElement(element)->selectedIndex());
	EXPECT_FALSE(opt0->Selected());
	EXPECT_TRUE(opt2->Selected());
	FormControlState select_state = select->SaveFormControlState();
	EXPECT_EQ(2U, select_state.ValueSize());

	// Clear the selected state, to be restored by restoreFormControlState.
	ToHTMLSelectElement(select)->setSelectedIndex(-1);
	ASSERT_FALSE(opt2->Selected());

	// Restore
	select->RestoreFormControlState(select_state);
	EXPECT_EQ(2, ToHTMLSelectElement(element)->selectedIndex());
	EXPECT_FALSE(opt0->Selected());
	EXPECT_TRUE(opt2->Selected());
	}

	TEST_F(HTMLSelectElementTest, SaveRestoreSelectMultipleFormControlState) {
	SetHtmlInnerHTML(
	"<!DOCTYPE HTML><select id='sel' multiple>"
	"<option value='111' id='0'>111</option>"
	"<option value='222'>222</option>"
	"<option value='111' selected id='2'>!666</option>"
	"<option value='999' selected id='3'>999</option></select>");
	HTMLFormControlElementWithState* select =
	ToHTMLSelectElement(GetElementById("sel"));

	HTMLOptionElement* opt0 = ToHTMLOptionElement(GetElementById("0"));
	HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));
	HTMLOptionElement* opt3 = ToHTMLOptionElement(GetElementById("3"));

	// Save the select element state, and then restore again.
	// Test passes if the selected options are not changed.
	EXPECT_FALSE(opt0->Selected());
	EXPECT_TRUE(opt2->Selected());
	EXPECT_TRUE(opt3->Selected());
	FormControlState select_state = select->SaveFormControlState();
	EXPECT_EQ(4U, select_state.ValueSize());

	// Clear the selected state, to be restored by restoreFormControlState.
	opt2->SetSelected(false);
	opt3->SetSelected(false);
	ASSERT_FALSE(opt2->Selected());
	ASSERT_FALSE(opt3->Selected());

	// Restore
	select->RestoreFormControlState(select_state);
	EXPECT_FALSE(opt0->Selected());
	EXPECT_TRUE(opt2->Selected());
	EXPECT_TRUE(opt3->Selected());
	}

	TEST_F(HTMLSelectElementTest, RestoreUnmatchedFormControlState) {
	// We had a bug that SelectedOption() and last_on_change_option_ were
	// mismatched in OptionToBeShown(). It happened when
	// RestoreFormControlState() couldn't find matched OPTIONs.
	// crbug.com/627833.

	SetHtmlInnerHTML(R"HTML(
	<select id='sel'>
	<option selected>Default</option>
	<option id='2'>222</option>
	</select>
	)HTML");
	Element* element = GetElementById("sel");
	HTMLFormControlElementWithState* select = ToHTMLSelectElement(element);
	HTMLOptionElement* opt2 = ToHTMLOptionElement(GetElementById("2"));

	ToHTMLSelectElement(element)->setSelectedIndex(1);
	// Save the current state.
	FormControlState select_state = select->SaveFormControlState();
	EXPECT_EQ(2U, select_state.ValueSize());

	// Reset the status.
	select->Reset();
	ASSERT_FALSE(opt2->Selected());
	element->RemoveChild(opt2);

	// Restore
	select->RestoreFormControlState(select_state);
	EXPECT_EQ(-1, ToHTMLSelectElement(element)->selectedIndex());
	EXPECT_EQ(nullptr, ToHTMLSelectElement(element)->OptionToBeShown());
	}

	TEST_F(HTMLSelectElementTest, VisibleBoundsInVisualViewport) {
	SetHtmlInnerHTML(
	"<select style='position:fixed; top:12.3px; height:24px; "
	"-webkit-appearance:none;'><option>o1</select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	ASSERT_NE(select, nullptr);
	IntRect bounds = select->VisibleBoundsInVisualViewport();
	EXPECT_EQ(24, bounds.Height());
	}

	TEST_F(HTMLSelectElementTest, PopupIsVisible) {
	SetHtmlInnerHTML("<select><option>o1</option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	ASSERT_NE(select, nullptr);
	EXPECT_FALSE(select->PopupIsVisible());
	select->ShowPopup();
	EXPECT_TRUE(select->PopupIsVisible());
	GetDocument().Shutdown();
	EXPECT_FALSE(select->PopupIsVisible());
	}

	TEST_F(HTMLSelectElementTest, FirstSelectableOption) {
	{
	SetHtmlInnerHTML("<select></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ(nullptr, select->FirstSelectableOption());
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->FirstSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1 disabled></option><option "
	"id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->FirstSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1 style='display:none'></option><option "
	"id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->FirstSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><optgroup><option id=o1></option><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->FirstSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	}

	TEST_F(HTMLSelectElementTest, LastSelectableOption) {
	{
	SetHtmlInnerHTML("<select></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ(nullptr, select->LastSelectableOption());
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->LastSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2 "
	"disabled></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->LastSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2 "
	"style='display:none'></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->LastSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><optgroup><option id=o1></option><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->LastSelectableOption()->FastGetAttribute(
	html_names::kIdAttr));
	}
	}

	TEST_F(HTMLSelectElementTest, NextSelectableOption) {
	{
	SetHtmlInnerHTML("<select></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ(nullptr, select->NextSelectableOption(nullptr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->NextSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1 disabled></option><option "
	"id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->NextSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1 style='display:none'></option><option "
	"id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->NextSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><optgroup><option id=o1></option><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->NextSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o1"));
	EXPECT_EQ("o2", select->NextSelectableOption(option)->FastGetAttribute(
	html_names::kIdAttr));

	EXPECT_EQ(nullptr, select->NextSelectableOption(
	ToHTMLOptionElement(GetElementById("o2"))));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><optgroup><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o1"));
	EXPECT_EQ("o2", select->NextSelectableOption(option)->FastGetAttribute(
	html_names::kIdAttr));
	}
	}

	TEST_F(HTMLSelectElementTest, PreviousSelectableOption) {
	{
	SetHtmlInnerHTML("<select></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ(nullptr, select->PreviousSelectableOption(nullptr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2 "
	"disabled></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2 "
	"style='display:none'></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o1", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><optgroup><option id=o1></option><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	EXPECT_EQ("o2", select->PreviousSelectableOption(nullptr)->FastGetAttribute(
	html_names::kIdAttr));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><option id=o2></option></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o2"));
	EXPECT_EQ("o1", select->PreviousSelectableOption(option)->FastGetAttribute(
	html_names::kIdAttr));

	EXPECT_EQ(nullptr, select->PreviousSelectableOption(
	ToHTMLOptionElement(GetElementById("o1"))));
	}
	{
	SetHtmlInnerHTML(
	"<select><option id=o1></option><optgroup><option "
	"id=o2></option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	HTMLOptionElement* option = ToHTMLOptionElement(GetElementById("o2"));
	EXPECT_EQ("o1", select->PreviousSelectableOption(option)->FastGetAttribute(
	html_names::kIdAttr));
	}
	}

	TEST_F(HTMLSelectElementTest, ActiveSelectionEndAfterOptionRemoval) {
	SetHtmlInnerHTML(
	"<select><optgroup><option selected>o1</option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	HTMLOptionElement* option =
	ToHTMLOptionElement(select->firstChild()->firstChild());
	EXPECT_EQ(1, select->ActiveSelectionEndListIndex());
	select->firstChild()->removeChild(option);
	EXPECT_EQ(-1, select->ActiveSelectionEndListIndex());
	select->AppendChild(option);
	EXPECT_EQ(1, select->ActiveSelectionEndListIndex());
	}

	TEST_F(HTMLSelectElementTest, DefaultToolTip) {
	SetHtmlInnerHTML(
	"<select size=4><option value="
	">Placeholder</option><optgroup><option>o2</option></optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	Element* option = ToElement(select->firstChild());
	Element* optgroup = ToElement(option->nextSibling());

	EXPECT_EQ(String(), select->DefaultToolTip())
	<< "defaultToolTip for SELECT without FORM and without required "
	"attribute should return null string.";
	EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
	EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

	select->SetBooleanAttribute(html_names::kRequiredAttr, true);
	EXPECT_EQ("<<ValidationValueMissingForSelect>>", select->DefaultToolTip())
	<< "defaultToolTip for SELECT without FORM and with required attribute "
	"should return a valueMissing message.";
	EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
	EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

	HTMLFormElement* form = HTMLFormElement::Create(GetDocument());
	GetDocument().body()->AppendChild(form);
	form->AppendChild(select);
	EXPECT_EQ("<<ValidationValueMissingForSelect>>", select->DefaultToolTip())
	<< "defaultToolTip for SELECT with FORM and required attribute should "
	"return a valueMissing message.";
	EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
	EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

	form->SetBooleanAttribute(html_names::kNovalidateAttr, true);
	EXPECT_EQ(String(), select->DefaultToolTip())
	<< "defaultToolTip for SELECT with FORM[novalidate] and required "
	"attribute should return null string.";
	EXPECT_EQ(select->DefaultToolTip(), option->DefaultToolTip());
	EXPECT_EQ(select->DefaultToolTip(), optgroup->DefaultToolTip());

	option->remove();
	optgroup->remove();
	EXPECT_EQ(String(), option->DefaultToolTip());
	EXPECT_EQ(String(), optgroup->DefaultToolTip());
	}

	TEST_F(HTMLSelectElementTest, SetRecalcListItemsByOptgroupRemoval) {
	SetHtmlInnerHTML(
	"<select><optgroup><option>sub1</option><option>sub2</option></"
	"optgroup></select>");
	HTMLSelectElement* select =
	ToHTMLSelectElement(GetDocument().body()->firstChild());
	select->SetInnerHTMLFromString("");
	// PASS if setInnerHTML didn't have a check failure.
	}

	TEST_F(HTMLSelectElementTest, ScrollToOptionAfterLayoutCrash) {
	// crbug.com/737447
	// This test passes if no crash.
	SetHtmlInnerHTML(R"HTML(
	<style>*:checked { position:fixed; }</style>
	<select multiple><<option>o1</option><option
	selected>o2</option></select>
	)HTML");
	}

	} // namespace blink